class SystemeExecute:

    def __init__(self,pb):
        self.pb=pb

    def executerPi(self,pi,depart,nb):
        s=depart
        for i in range(nb):
            action=pi[s]
            sFin=pb.transition(s,action)
            print(s," -> ",action," : ",sFin)
            s=sFin

    def executerPiRec(self,pi,depart,nb):
        s=depart
        somme=0
        for i in range(nb):
            action=pi[s]
            sFin=pb.transition(s,action)
            r=pb.recompense(s,action,sFin)
            somme=somme+r
            print(s," -> ",action," : ",sFin,"<",r,">")
            s=sFin
        return somme